CVE-2021-39272
MEDIUMfetchmail < 6.4.22 - Cleartext Transmission of Sensitive Information via STARTTLS Enforcement Bypass
Title source: llmDescription
Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.
References (7)
Core 7
Core References
Vendor Advisory x_refsource_misc
https://www.fetchmail.info/security.html
Third Party Advisory x_refsource_misc
https://nostarttls.secvuln.info/
Mailing List, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2021/08/27/3
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3XJ6XLEJCEZCAM5LGGD6XBCC522QLG4/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYCYLL73NP7ALJWSDICIVSA47ZIXWSSA/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXMKSEHAQSEDCWZMAOJEGX3P3JW6QY6H/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202209-14
Scores
CVSS v3
5.9
EPSS
0.0018
EPSS Percentile
39.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-319
Status
published
Products (4)
fedoraproject/fedora
33
fedoraproject/fedora
34
fedoraproject/fedora
35
fetchmail/fetchmail
< 6.4.22
Published
Aug 30, 2021
Tracked Since
Feb 18, 2026